The ANG doesn't take folks out of HS, pay for their college, and send them to pilot training.
What they will do is accept someone for enlistment in a part-time status as a mechanic or crew chief or whatever to help pay for college (after they spend several months going to basic training and tech school, for which they will have to take time out of their educational process). There may be some extra deals like cut-rate tuition for ANG members at state schools in that ANG's state, but it ain't no full ride (work on your football skills for that).
After a few years, when they have earned their college degree, and assuming they qualify for pilot training (aptitude tests, medical, etc), the unit will consider them for one of their usual 1-2 pilot training slots each year. True, personnel with a few years in the unit will be highly favored in the selection process, but there are no guarantees. Also, I don't think they'll commission someone without a 4-year degree any more (used to be 2 years of college a very long time ago), and commissioning is a prerequisite for ANG pilot training.
After about two years of full-time active duty for OTS, UPT, survival schools, and type training, they'll go back to the unit in a part-time status flying a couple times a week plus one weekend a month and two weeks in the summer (plus any deployments with which the unit is tasked). Once they have 1500 hours (which will take a few years of operational flying), they'll be in a position to apply with the airlines, but they'll have a long commitment to the ANG as part-time pilots to balance with any full-time job.